'Choosing sample size' diaporamas de présentation

How big should my study be? The science and art of choosing your sample size

How big should my study be? The science and art of choosing your sample size. Mark Pletcher Designing Clinical Research Summer 2013. Choosing sample size. A fundamental decision A critical determinate of statistical power A critical determinate of feasibility. Choosing sample size.

1.17k views • 98 slides

410 views • 23 slides

Lecture 8 Outline: Tue, Sept 30

Lecture 8 Outline: Tue, Sept 30. Practical vs. Statistical Significance (4.5.1) Sample size selection for designing a study Chapter 3 Robustness of two-sample t-tools (3.2) Outliers and resistance (3.3) Practical strategies for the two-sample problem (3.4)

351 views • 22 slides

Confidence Interval Behavior and Sample Size

Confidence Interval Behavior and Sample Size. Presentation 7.2. Structure of the Confidence Interval. Margin of Error. The standard deviation of the estimate. An estimate for ? from your sample. Based on level of confidence, how many standard deviations away you can tolerate.

431 views • 16 slides

ENMA 420/520 Statistical Processes Spring 2007

251 views • 15 slides